section:nth-of-type(1){
    margin-top: 100px;
    background: url("../img/bgx.jpg")no-repeat top center;
}
section:nth-of-type(1) div{
    //height: 150px;
}
section:nth-of-type(2){
    background: #f7f7f7;
    padding-top: 24px;
}
section:nth-of-type(2) h1{
    display: block;
    width: 180px;
    margin: 0 auto;
    text-align: center;
    line-height: 54px;
    border-bottom: 1px solid #2a486a;
    font-size: 3.4rem;
}
section:nth-of-type(2)>p{
    display: block;
    width: 180px;
    margin: 0 auto;
    text-align: center;
    line-height: 40px;
    border-top: 1px solid #b3bfcb;
    font-size: 1.4rem;
}
section:nth-of-type(2)>span{
    display: block;
    margin: 10px 0 16px;
    width: 100%;
    height: 1px;
    background: #cccccc;
}
.kh1 ul{
    list-style: none;
    padding-bottom: 22px;
}
.kh1 ul li{
   // width: 280px;
    //height: 42px;
    //float: left;
    margin-right: 24px;
    border-bottom: solid 3px transparent;
    //text-align: center;
}
.kh1 ul li a{
    line-height:32px;
    color: #343434;
    font-size: 1.8rem;
}
.kh1 ul li:hover{
    list-style:square;
}
.kh1 ul li:hover a{
    color: red;
}
.kh1 p a,.kh1 p{
    color: #333333;
}
.kk{
    padding:8px 0 12px;
    border-bottom: dashed 1px #435e7b;
}
.kk h3{
    color: #435e7b;
    font-size:1.6rem;
    line-height:58px;
}
.kk div img{
    //float: left;
    margin-right: 10px;
}
.kk div p{
    line-height: 24px;
    font-size: 1.4rem;
    color: #343434;
}
.kh1>span{
    display: block;
    padding: 38px 0 94px 26px;
}
.kh1 .on{
    border-bottom-color:#1f4063;
}
.kh1 .on a{
    color: #1f4063;
}
.kk .kkh3{
    text-align: center;
    color: #000;

}

  .ad {
    background: #e9e9e9 url("../img/ad2.jpg") center 0 no-repeat;
    height: 60px;
    width: 100%;
    position: relative;
    animation: adslide 20s infinite;
    //animation-fill-mode: both;
  }
  @keyframes adslide {
    0%,20% {
      background-position: center 0;
    }
    21%,40% {
      background-position: center -60px;
    }
    41%,60% {
      background-position: center -120px;
    }
    61%,80% {
      background-position: center -180px;
    }
    81%,100% {
      background-position: center 0;
    }
  }
  .ad a {
    display: block;
    width: 100%;
    height: 100%;
  }
  .ad div {
    position: absolute;
    background: url("../img/abc.png") 33px center no-repeat;
    color: white;
    top: 5px;
    right: 15px;
    width: 45px;
    cursor: pointer;
    border: 1px solid transparent;
  }
  .ad div:hover {
    border: 1px solid white;
  }




